<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>用户登录</title>
		<style>
			#uname{  /*id选择器*/
				border: 3px dotted red;
				width:200px;
				height:30px;
				border-left-style:solid ;
				border-right-style:solid ;
				border-radius: 10px;
				
			}
			a{
				text-decoration:none;
			}
		</style>
	</head>
	<body>
		<h1>用户登录</h1>
		用户名<input id="uname" type="text" />
		<a href="index.html">tyu官网</a>
	</body>
</html>
